Individual Calculations September 2009
 Freix, Andrew J  Total change: 9.00  Rating chartPersonal card
 37th Annual World Open - Open Section Philadelphia, Pennsylvania USA 2009-06-29
RcRownchangeKK*chgGame
 2189 1972 2.00 7 0.36 25 9.00 
  Rensch, Daniel M f2322 USA0.001-0.1125-2.75 
  Coleman, Teddy f2289 USA0.001-0.1325-3.25 
  Pressman, Leif A 2057 USA0.5010.12253.00 
  Campiz, Leonardo 2082 PUR0.5010.15253.75 
  Wasiluk, Kevin M 2220 USA0.001-0.1925-4.75 
  Greanias, Steven D 2149 USA0.5010.23255.75 
  Dougherty, Michael f2203 CAN0.5010.29257.25 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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